<!DOCTYPE html>
<html>
<head>
  <meta charset='UTF-8'/>
  <link rel='stylesheet' href='../../dist/mapbox.css'/>
  <link rel='stylesheet' href='embed.css'/>
  <script src='../../dist/mapbox.js'></script>
  <script src='access_token.js'></script>
</head>
<body>
<style>
    #map-ui {
        position: absolute;
        top: 80px;
        left: 10px;
        z-index: 100;
    }

    #map-ui ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    #map-ui a {
        font-size: 13px;
        background: #FFF;
        color: #3C4E5A;
        display: block;
        margin: 0;
        padding: 0;
        border: 1px solid #BBB;
        border-bottom-width: 0;
        min-width: 138px;
        padding: 10px;
        text-decoration: none;
    }

    #map-ui a:hover {
        background: #ECF5FA;
    }

    #map-ui li:last-child a {
        border-bottom-width: 1px;
        -webkit-border-radius: 0 0 3px 3px;
        border-radius: 0 0 3px 3px;
    }

    #map-ui li:first-child a {
        -webkit-border-radius: 3px 3px 0 0;
        border-radius: 3px 3px 0 0;
    }

    #map-ui a.active {
        background: #3887BE;
        border-color: #3887BE;
        color: #FFF;
    }
</style>
<div id='map-ui'>
    <ul>
        <li><a href='#' id='filter-food'>show only food events</a></li>
        <li><a href='#' class='active' id='filter-all'>show all events</a></li>
    </ul>
</div>
<div id='map'></div>
<script type='text/javascript'>
    var map = L.mapbox.map('map', 'examples.map-zr0njcqy');

    var food = document.getElementById('filter-food');
    var all = document.getElementById('filter-all');

    food.onclick = function(e) {
        all.className = '';
        this.className = 'active';
        // The setFilter function takes a GeoJSON feature object
        // and returns true to show it or false to hide it.
        map.featureLayer.setFilter(function(f) {
            return f.properties['marker-symbol'] === 'fast-food';
        });
        return false;
    };

    all.onclick = function() {
        food.className = '';
        this.className = 'active';
        map.featureLayer.setFilter(function(f) {
            // Returning true for all markers shows everything.
            return true;
        });
        return false;
    };
</script>
</body>
</html>
